void dianYa()
{
    //太阳能电压
    
    int val0=analogRead(A15);             
    dianYa_taiYangNeng=val0/39.00;    
    Serial.print("太阳能电压:\r");   
    Serial.print(dianYa_taiYangNeng);                  
    Serial.println("V");   
    
    //电池电压
    
    int val1=analogRead(A14);             
    dianYa_dianChi=val1/39.00;    
    Serial.print("电池电压:\r");   
    Serial.print(dianYa_dianChi);                  
    Serial.println("V"); 

    //板子电压
    
    int val2=analogRead(A13);             
    dianYa_zhuBan=val2/39.00;    
    Serial.print("主板电压:\r");   
    Serial.print(dianYa_zhuBan);                  
    Serial.println("V"); 
}
